[Seaside] Get the result of JS function

[Thomas Heniart]

wqTest come from WQTest class
class side:
canBeRoot
    ^ true

initialize
    super initialize.
    (WAAdmin register: self asApplicationAt: 'wqTest')
        addLibrary: JQDevelopmentLibrary;
        addLibrary: WQTestFileLibrary


instance side:
renderContentOn: html
    html button
        onClick: (html jQuery ajax callback: [ :value | Transcript show:
'value' ] value: (html javascript call: 'test'));
        with: 'Call test'

And WQTestFileLibrary
 contains a single JS file with:

function test() {
  return true;
}

This a very small example just to see where the bug could come from


Thomas

2015-09-22 21:48 GMT+02:00 Johan Brichau <johan at inceptive.be>:

> I think you will need to supply a bit more code or information.
>
> Where is wqTest coming from?
>
> On 22 Sep 2015, at 19:47, Thomas Heniart <heniart.thomas at gmail.com> wrote:
>
> Error is in wqTest (:1:104), so I don't think that error is in my JS file
> which only contains
> function test() {
>   return true;
> }
>
> Really strange...
>
>
> 2015-09-22 19:35 GMT+02:00 Johan Brichau <johan at inceptive.be>:
>
>> In what file is the syntax error?
>>
>> This is probably a syntax error in your javascript.
>>
>> On 22 Sep 2015, at 19:21, Thomas Heniart <heniart.thomas at gmail.com>
>> wrote:
>>
>> I get this error when I load the page:
>> SyntaxError: expected expression, got '.'
>> and I don't know why :/
>> What could it be?
>>
>>
>> Cheers,
>> Thomas
>>
>> 2015-09-22 18:31 GMT+02:00 Thomas Heniart <heniart.thomas at gmail.com>:
>>
>>>
>>>
>>> 2015-09-22 9:13 GMT+02:00 Johan Brichau <johan at inceptive.be>:
>>>
>>>> Thomas,
>>>>
>>>> You can use the jQuery binding in Seaside to easily return javascript
>>>> values in ajax callbacks.
>>>> For example:
>>>>
>>>> html
>>>>         button;
>>>>         onClick: (html jQuery ajax callback: [:value | Transcript show:
>>>> value ] value: (html javascript call: ‘test’ withArguments: #()))
>>>>         with: ‘Call test’
>>>>
>>>
>>> I tried this but it doesn't work, nothing appeared in the Transcript
>>> like if the callback isn't triggered...
>>> Maybe I forget something in the configuration of application
>>> (WAAdmin register: self asApplicationAt: 'Test')
>>>         addLibrary: JQDevelopmentLibrary;
>>>         addLibraby: MyLibraryWithJsFiles
>>>
>>> MyLibraryWithJsFiles contains just a js file with test() { return true; }
>>>
>>>
>>>>
>>>> The #callback:value: method passes the result of client-side expression
>>>> to the server-side callback.
>>>> Mind that (as the method comment states), this only works for single
>>>> literal Javascript object (String, Number, Boolean). If you want to pass
>>>> more complex result values, you can use #callback:json: or write your own
>>>> serialization if json serialization is not sufficient either.
>>>>
>>>> Hope this answers your question,
>>>> Johan
>>>>
>>>
>>>
>>> Thanks for your help,
>>>
>>> Thomas
>>>
>>>
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